The System Sensor SPSRK is a wall-mount outdoor speaker and speaker strobe that is designed to meet the requirements of various applications. It is a part of the SpectrAlert Advance line of outdoor speakers and speaker strobes that offers the broadest range of products in the industry. The SPSRK can be used both indoors and outdoors in wet or dry applications, and can operate reliably from -40ºF to 151ºF.
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